The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-157-5903, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-157-5903 |
| Primary Part Number | L5238004-003 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| L5238004-003 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 3040-01-157-5903 is a Piston,linear Actuating Cylinder, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-157-5903 has 1 manufacturer part number on file: L5238004-003 (The Boeing Company Div Legacy Am&m).
Key specifications for L5238004-003: Special Features: 6061-T651 PER QQ-A-225/8; HARD ANODIZE PER MIL-A-8625,TY 3 CL 1 O/A; 0.410 IN. LG.; 1ST END BOSS 1.100 IN. DIA. BY 0.230 IN. LG. BY 0.800 IN. ID BY 0.230 IN. DEEP W/0.062 IN. LG. BY 45 DEG. CFAMFER; 2ND END FLANGE 1.600 IN. DIA. W/32.0 AA MICROINCH SURFACE FINISH BY 0.180 IN. LG. BY 0.685 IN. ID BY 0.180 IN. DEEP; FSC APPLICATION DATA:CREW COMPARTMENT ROLL CONTROL SYSTEM,BUNGEE ARTIFICIAL FEEL IN; End Item Identification: B-1B AIRCRAFT; Material: ALUMINUM ALLOY. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 3040-01-157-5903 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.